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construct/include/ircd/fs/fs.h
2018-12-13 16:54:09 -08:00

99 lines
2.7 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_FS_H
/*
* Directory paths and filenames for UNIX systems.
* IRCD_PREFIX is set using ./configure --prefix, see INSTALL.
* Do not change these without corresponding changes in the build system.
*
* IRCD_PREFIX = prefix for all directories,
* DPATH = root directory of installation,
* BINPATH = directory for binary files,
* ETCPATH = directory for configuration files,
* LOGPATH = directory for logfiles,
* MODPATH = directory for modules,
* AUTOMODPATH = directory for autoloaded modules
*/
/// Tools for working with the local filesystem.
///
/// IRCd has wrapped operations for the local filesystem to maintain a
/// cross-platform implementation of asynchronous file IO in conjunction with
/// the ircd::ctx userspace context system. These operations will yield your
/// ircd::ctx when necessary to not block the event loop on the main thread
/// during IOs.
namespace ircd::fs
{
struct init;
enum index :int;
struct error; // custom exception; still inherits from ircd::error
constexpr size_t PATH_MAX { 2048 };
string_view get(index) noexcept;
string_view name(index) noexcept;
std::string make_path(const vector_view<const string_view> &);
std::string make_path(const vector_view<const std::string> &);
bool exists(const string_view &path);
bool is_dir(const string_view &path);
bool is_reg(const string_view &path);
size_t size(const string_view &path);
bool direct_io_support(const string_view &path);
std::vector<std::string> ls(const string_view &path);
std::vector<std::string> ls_recursive(const string_view &path);
bool rename(std::nothrow_t, const string_view &old, const string_view &new_);
void rename(const string_view &old, const string_view &new_);
bool remove(std::nothrow_t, const string_view &path);
bool remove(const string_view &path);
void chdir(const string_view &path);
bool mkdir(const string_view &path);
std::string cwd();
}
/// Index of default paths. Must be aligned with fs::syspaths (see: fs.cc)
enum ircd::fs::index
:int
{
PREFIX,
BIN,
CONF,
DATA,
DB,
LOG,
MODULES,
_NUM_
};
#include "error.h"
#include "iov.h"
#include "fd.h"
#include "aio.h"
#include "read.h"
#include "write.h"
#include "sync.h"
#include "stdin.h"
#include "support.h"
struct ircd::fs::init
{
aio::init _aio_;
init();
~init() noexcept;
};